The COSRX The Niacinamide 15 Serum is a high-potency formula powered by 15% niacinamide to visibly minimize enlarged pores, balance excess oil, and fade dark spots. Designed specifically for oily, acne-prone, and uneven skin, this lightweight yet effective serum refines skin texture and reduces breakouts without irritation. It also strengthens the skin barrier, leaving your complexion smoother, clearer, and more balanced with every use.
20ml